<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script src="../js/react.development.js"></script>
    <!-- 引入react-dom，用于支持react操作dom -->
    <script src="../js/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转换为js -->
    <script src="../js/babel.min.js"></script>



    <script type="text/babel">
        //1、创建类式组件
        class Demo extends React.Component{
            constructor(){
                super();
            }
            render(){
                return <h1><div onClick={test}>可以点击</div></h1>
            }
        }

        //2、渲染虚拟dom
        ReactDOM.render(<Demo/>, document.getElementById("test"));

        //点击触发的方法
        function test(){
            console.log("div被点击了")
        }
    </script>
</body>

</html>